name: PR workflow

on:
  push:
    branches:
      - main
    tags:
      - "[0-9]+.[0-9]+.[0-9]+"
  pull_request:
    paths-ignore:
      - "*.md"

jobs:
  clippy-checks:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: "Cargo: clippy"
        run: |
          rustup toolchain install stable --profile minimal -c clippy
          cargo +stable clippy -- -D warnings

  rustfmt-check:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: "Cargo: fmt"
        run: |
          rustup toolchain install nightly --profile minimal -c rustfmt
          cargo +nightly fmt -- --check

  automated-draft-release:
    runs-on: ubuntu-latest
    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')
    needs: build-artifacts-and-run-tests
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Download artifacts
        uses: dawidd6/action-download-artifact@v3
        with:
          path: artifacts

      - name: Package release assets
        run: scripts/package-release-assets.sh

      - name: Create release
        uses: softprops/action-gh-release@v2
        with:
          draft: true
          files: release/ouch-*

  build-artifacts-and-run-tests:
    runs-on: ${{ matrix.os || 'ubuntu-latest' }}
    env:
      CARGO: cargo
    strategy:
      fail-fast: false
      matrix:
        feature-use-zlib: [false]
        feature-use-zstd-thin: [false]
        feature-unrar: [false]
        target:
          # native
          - x86_64-unknown-linux-gnu
          - x86_64-pc-windows-gnu
          - x86_64-pc-windows-msvc
          - aarch64-pc-windows-msvc
          - x86_64-apple-darwin
          # cross
          - x86_64-unknown-linux-musl
          - aarch64-unknown-linux-gnu
          - aarch64-unknown-linux-musl
          - armv7-unknown-linux-gnueabihf
          - armv7-unknown-linux-musleabihf

        include:
          # runner overrides
          - target: x86_64-pc-windows-gnu
            os: windows-latest
          - target: x86_64-pc-windows-msvc
            os: windows-latest
          - target: aarch64-pc-windows-msvc
            os: windows-latest
          - target: x86_64-apple-darwin
            os: macos-latest
          # targets that use cross
          - target: x86_64-unknown-linux-musl
            use-cross: true
          - target: aarch64-unknown-linux-gnu
            use-cross: true
          - target: aarch64-unknown-linux-musl
            use-cross: true
          - target: armv7-unknown-linux-gnueabihf
            use-cross: true
          - target: armv7-unknown-linux-musleabihf
            use-cross: true
          # features
          - feature-use-zlib: true
            target: x86_64-unknown-linux-gnu
          - feature-use-zstd-thin: true
            target: x86_64-unknown-linux-gnu
          - feature-unrar: true
            target: x86_64-unknown-linux-gnu

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install cross
        if: matrix.use-cross
        run: |
          pushd "$(mktemp -d)"
          wget https://github.com/cross-rs/cross/releases/download/v0.2.4/cross-x86_64-unknown-linux-musl.tar.gz
          tar xf cross-x86_64-unknown-linux-musl.tar.gz
          cp cross ~/.cargo/bin
          popd
          echo CARGO=cross >> $GITHUB_ENV

      - name: Concatenate features
        id: concat-features
        shell: bash
        run: |
          FEATURES=()
          if [[ "${{ matrix.feature-use-zlib }}" == true ]]; then FEATURES+=(use_zlib); fi
          if [[ "${{ matrix.feature-use-zstd-thin }}" == true ]]; then FEATURES+=(use_zstd_thin); fi
          if [[ "${{ matrix.feature-unrar }}" == true ]]; then FEATURES+=(unrar); fi
          IFS=','
          echo "FEATURES=${FEATURES[*]}" >> $GITHUB_OUTPUT

      - name: Set up extra cargo flags
        env:
          FEATURES: ${{steps.concat-features.outputs.FEATURES}}
        shell: bash
        run: |
          FLAGS="--no-default-features"
          if [[ -n "$FEATURES" ]]; then FLAGS+=" --features $FEATURES"; fi
          echo "EXTRA_CARGO_FLAGS=$FLAGS" >> $GITHUB_ENV

      - name: Install Rust
        run: |
          rustup toolchain install stable nightly --profile minimal -t ${{ matrix.target }}

      - uses: Swatinem/rust-cache@v2
        with:
          key: "${{ matrix.target }}-${{ matrix.feature-unrar }}-${{ matrix.feature-use-zstd-thin }}-${{ matrix.feature-unrar }}"

      - name: Test on stable
        # there's no way to run tests for ARM64 Windows for now
        if: matrix.target != 'aarch64-pc-windows-msvc'
        run: |
          ${{ env.CARGO }} +stable test --target ${{ matrix.target }} $EXTRA_CARGO_FLAGS

      - name: Release on nightly
        run: |
          ${{ env.CARGO }} +nightly build --release --target ${{ matrix.target }} $EXTRA_CARGO_FLAGS
        env:
          OUCH_ARTIFACTS_FOLDER: artifacts
          RUSTFLAGS: -C strip=symbols

      - name: Upload artifacts
        uses: actions/upload-artifact@v4
        with:
          name: ouch-${{ matrix.target }}-${{ steps.concat-features.outputs.FEATURES }}
          path: |
            target/${{ matrix.target }}/release/ouch
            target/${{ matrix.target }}/release/ouch.exe
            artifacts/